Step 1

Cook the pasta according to packet instructions, then drain.

Step 2

Toss with 1 tablespoon of the olive oil, season with salt and pepper, and set aside.

Step 3

Heat butter and remaining oil in a large frypan over very high heat, add steak and cook for 1-2 minutes each side, remove and set aside. Reduce heat to medium, add onion, and cook, stirring occasionally, for 4-5 minutes until soft. Add the drained peppercorns, garlic, mushrooms and wine, and cook for a further 2-3 minutes.

Step 4

Add mustard, Worcestershire sauce, stock and cream, season well, then allow to simmer for 2 minutes.

Step 5

Slice the steak thinly and add to the pan with the pasta and parsley, then toss gently to combine.